Species: Bivalve
County: Williamson
Site: _Williamson 1 (Jonah)
Group: Austin
Formation: Austin Chalk
Member: Jonah
Period: Cretaceous
Epoch: Upper K
Stage: Santonian Coniacian
Class: Bivalvia
Order: zNone
Superfamily: None
Family: None
Genus: None
State: Texas
Credit: None
ID: 725